Looks like the New Guinea government did a similar thing to Barrick Gold.
Back in April the government of Papua New Guinea has announced that it will not renew Barrick Niugini Limited’s 20-year Special Mining Lease for the Porgera gold mine. https://www.barrick.com/operations/porgera/default.aspx
Barrick got the attorneys on it and BAM
May 1/2010 - Barrick Gold Corp said on Friday it welcomed a court ruling ordering the Papua New Guinea (PNG) government to negotiate over a lease extension for the Porgera gold mine.